Part Number
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ICS9250-11 |
Manufacturer
|
Integrated Circuit Systems |
Description
|
Frequency Generator & Integrated Buffers |
Published
|
Dec 11, 2005 |
Detailed Description
|
Integrated Circuit Systems, Inc.
ICS9250-11
Frequency Timing Generator for PENTIUM II/III Systems
General Description...
|
Datasheet
|
ICS9250-11
|
Overview
Integrated Circuit Systems, Inc.
ICS9250-11
Frequency Timing Generator for PENTIUM II/III Systems
General Description
The ICS9250-11 is a main clock synthesizer chip for Pentium II based systems using Rambus Interface DRAMs.
This chip provides all the clocks required for such a system when used with a Direct Rambus Clock Generator (DRCG) chip such as the ICS9212-01, 02, 03 and a PCI buffer 9112-17.
Spread Spectrum may be enabled by driving the SPREAD# pin active.
Spread spectrum typically reduces system EMI by 8dB to 10dB.
This simplifies EMI qualification without resorting to board design iterations or costly shielding.
The ICS9250-11 employs a proprietary closed loop design, which tight...
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